/* === AGROVOC-inspired theme ============================================ */
:root {
  --font-sans: "Fira Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-size: 14px;

  --dark: #394554;
  --secondary-dark: #3C535B;
  --medium: #00748F;            /* teal accent (links, labels) */
  --light: #D4EDEB;
  --link-hover: #23527C;
  --searchbar-bg: #116AAB;      /* dark blue strip */
  --main-bg: #D5DBDE;           /* page background */
  --white: #fff;

  --gray-100: #F6F7F8;
  --gray-200: #EDF0F2;
  --gray-300: #E6E9EB;
  --gray-400: #E0E4E7;
  --gray-500: #CCCCCC;
  --gray-600: #B9C1C6;
  --gray-700: #999999;
  --gray-800: #74787A;
  --gray-900: #474B4F;

  --pink: #D95F8A;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: var(--font-size);
  color: #212529;
  background: var(--main-bg);
  line-height: 1.5;
}

a {
  color: var(--medium);
  text-decoration: none;
}
a:hover { color: var(--link-hover); text-decoration: underline; }

button { font-family: inherit; cursor: pointer; }

/* --- Topbar -------------------------------------------------------------- */
.topbar {
  background: var(--white);
  border-bottom: 1px solid var(--gray-300);
}
.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand {
  font-weight: 600;
  font-size: 18px;
  color: var(--dark);
}
.topnav { display: flex; gap: 18px; flex: 1; }
.topnav-link {
  color: var(--gray-900);
  font-weight: 500;
}
.topnav-link.active { color: var(--medium); }
.topbar-right { display: flex; align-items: center; gap: 8px; color: var(--gray-900); }
.topbar-sep { color: var(--gray-500); }
.topbar-label { font-size: 13px; }
.topbar-select {
  border: 1px solid var(--gray-400);
  background: var(--white);
  padding: 4px 6px;
  font-family: inherit;
  font-size: 13px;
  border-radius: 2px;
}

/* --- Search bar ---------------------------------------------------------- */
.searchbar {
  background: var(--searchbar-bg);
  color: var(--white);
}
.searchbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.searchbar-label {
  color: var(--white);
  font-size: 13px;
  font-weight: 500;
  padding: 0 4px;
}
.searchbar-select {
  background: var(--white);
  border: none;
  padding: 6px 8px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  color: var(--dark);
  border-radius: 2px;
  min-width: 110px;
}

.searchbox {
  flex: 1;
  min-width: 280px;
  position: relative;
  background: var(--white);
  border-radius: 2px;
  display: flex;
  align-items: center;
}
.searchbox input {
  flex: 1;
  border: 0;
  padding: 8px 30px 8px 10px;
  font-family: Tahoma, Geneva, sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: #212529;
  background: transparent;
  outline: none;
}
.searchbox input::placeholder { font-weight: 400; color: var(--gray-700); }
#q-clear {
  position: absolute;
  right: 6px; top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: 0;
  font-size: 18px;
  color: var(--gray-700);
  padding: 0 6px;
}
.search-submit {
  background: var(--dark);
  color: var(--white);
  border: 0;
  padding: 8px 22px;
  font-weight: 600;
  font-size: 14px;
  border-radius: 2px;
}
.search-submit:hover { background: var(--secondary-dark); }

/* Suggestions dropdown */
.suggest {
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  background: var(--white);
  border: 1px solid var(--gray-400);
  border-top: 0;
  max-height: 320px;
  overflow-y: auto;
  z-index: 50;
  box-shadow: 0 4px 12px rgba(0,0,0,.08);
}
.suggest-item {
  padding: 8px 12px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--gray-200);
}
.suggest-item:hover, .suggest-item.active { background: var(--gray-200); }
.suggest-item .s-text { color: var(--dark); }
.suggest-item .s-meta { color: var(--gray-800); font-size: 12px; }

/* --- Main layout --------------------------------------------------------- */
.main { padding: 20px 0 40px; }
.main-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 20px;
}

/* --- Sidebar ------------------------------------------------------------- */
.sidebar {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: 2px;
  align-self: start;
}
.sidebar-tabs {
  display: flex;
  border-bottom: 1px solid var(--gray-300);
}
.tab {
  flex: 1;
  background: var(--gray-100);
  border: 0;
  border-right: 1px solid var(--gray-300);
  padding: 10px 12px;
  font-weight: 500;
  color: var(--gray-900);
}
.tab:last-child { border-right: 0; }
.tab.active { background: var(--white); color: var(--medium); }
.tab-panel { padding: 16px; }

.sidebar-h {
  font-size: 13px;
  font-weight: 600;
  color: var(--dark);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 14px 0 8px;
}
.sidebar-h:first-child { margin-top: 0; }

.checklist { display: flex; flex-direction: column; gap: 6px; }
.checklist label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--gray-900);
  cursor: pointer;
}
.checklist .count { color: var(--gray-700); font-size: 12px; margin-left: auto; }

.setting-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px;
  align-items: start;
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-200);
}
.setting-row small {
  grid-column: 2;
  display: block;
  color: var(--gray-800);
  font-size: 12px;
  margin-top: 2px;
}
.full-select {
  width: 100%;
  padding: 6px 8px;
  border: 1px solid var(--gray-400);
  border-radius: 2px;
  font-family: inherit;
}

/* --- Results ------------------------------------------------------------- */
.content { min-width: 0; }

.result-meta {
  background: var(--white);
  border: 1px solid var(--gray-300);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--gray-900);
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
#result-count { font-weight: 600; color: var(--dark); }
#result-filters { color: var(--gray-800); }

.results { display: flex; flex-direction: column; gap: 10px; }

.result-card {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-left: 3px solid var(--medium);
  padding: 14px 16px;
  cursor: pointer;
  transition: box-shadow .12s, border-color .12s;
}
.result-card:hover {
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
  border-left-color: var(--dark);
}

.result-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}
.result-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--medium);
}
.result-title b { background: #fff5b8; font-weight: 600; }
.badge {
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 2px;
  background: var(--gray-200);
  color: var(--gray-900);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 600;
}
.badge.lang { background: var(--light); color: var(--medium); }
.badge.source { background: var(--gray-300); }
.badge.type-definition { background: #fff3cd; color: #856404; }

.result-snippet {
  margin: 6px 0 0;
  color: var(--gray-900);
  font-size: 14px;
}
.result-snippet b { background: #fff5b8; font-weight: 600; }

.preview {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--gray-300);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  font-size: 13px;
}
.preview-col h4 {
  margin: 0 0 4px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--gray-800);
}
.preview-col .terms { display: flex; flex-wrap: wrap; gap: 6px; }
.preview-col .terms span {
  background: var(--gray-100);
  border: 1px solid var(--gray-300);
  padding: 1px 6px;
  border-radius: 2px;
  font-size: 13px;
  color: var(--dark);
}
.preview-col .def {
  color: var(--gray-900);
  font-size: 13px;
  line-height: 1.45;
}

.result-foot {
  margin-top: 8px;
  font-size: 12px;
  color: var(--gray-800);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.result-foot a { color: var(--medium); }

/* --- States -------------------------------------------------------------- */
.empty, .loading, .error {
  background: var(--white);
  border: 1px solid var(--gray-300);
  padding: 28px;
  text-align: center;
  color: var(--gray-900);
}
.empty h2 { margin: 0 0 8px; font-weight: 500; color: var(--dark); }
.error { color: #a02040; border-left: 3px solid #a02040; text-align: left; }

/* --- Pagination ---------------------------------------------------------- */
.pagination {
  margin-top: 16px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
}
.pagination button {
  background: var(--white);
  border: 1px solid var(--gray-400);
  padding: 6px 14px;
  color: var(--dark);
  border-radius: 2px;
}
.pagination button:disabled { color: var(--gray-600); cursor: not-allowed; }
.pagination button:not(:disabled):hover { background: var(--gray-100); }
#page-info { color: var(--gray-900); font-size: 13px; }

/* --- Modal --------------------------------------------------------------- */
.modal {
  position: fixed; inset: 0;
  z-index: 100;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 20px;
  overflow-y: auto;
}
.modal-backdrop {
  position: absolute; inset: 0;
  background: rgba(57, 69, 84, 0.55);
}
.modal-panel {
  position: relative;
  background: var(--white);
  border-radius: 2px;
  max-width: 860px;
  width: 100%;
  box-shadow: 0 10px 40px rgba(0,0,0,.25);
}
.modal-close {
  position: absolute;
  top: 8px; right: 8px;
  background: transparent;
  border: 0;
  font-size: 22px;
  color: var(--gray-800);
  width: 32px; height: 32px;
  border-radius: 2px;
}
.modal-close:hover { background: var(--gray-200); }
.modal-body { padding: 28px 32px; }

.concept-head { border-bottom: 1px solid var(--gray-300); padding-bottom: 10px; margin-bottom: 14px; }
.concept-head h2 { margin: 0; font-size: 24px; font-weight: 500; color: var(--dark); }
.concept-head .meta { font-size: 12px; color: var(--gray-800); margin-top: 4px; }

.prop-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-200);
}
.prop-row:last-child { border-bottom: 0; }
.prop-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--gray-800);
  padding-top: 2px;
}
.prop-value ul { margin: 0; padding: 0; list-style: none; }
.prop-value li { padding: 3px 0; }
.prop-value .lang-tag { color: var(--gray-700); font-size: 12px; margin-left: 6px; }

/* --- Footer -------------------------------------------------------------- */
.footer {
  background: var(--white);
  border-top: 1px solid var(--gray-300);
  padding: 16px 0;
  margin-top: 40px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  color: var(--gray-800);
  font-size: 13px;
}

/* --- Responsive ---------------------------------------------------------- */
@media (max-width: 900px) {
  .main-inner { grid-template-columns: 1fr; }
  .preview { grid-template-columns: 1fr; }
  .prop-row { grid-template-columns: 1fr; gap: 4px; }
}

[hidden] {
  display: none !important;
}

.browse-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}

.browse-list-panel {
  min-width: 0;
  display: flex;
  flex-direction: column;
  height: calc(100vh - 230px);
  overflow: hidden;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
}

.browse-detail-panel {
  align-self: start;
  min-width: 0;
}

.browse-list-panel .result-meta {
  flex: 0 0 auto;
}

#browse-list {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding-right: 6px;
}

#browse-pagination {
  flex: 0 0 auto;
  position: sticky;
  bottom: 0;
  margin-top: 0;
  padding: 12px 0 4px;
  background: linear-gradient(180deg, rgba(247, 245, 239, 0) 0%, rgba(247, 245, 239, 0.96) 24%, rgba(247, 245, 239, 1) 100%);
  border-top: 1px solid var(--gray-300);
}

.browse-list-panel:focus,
.browse-detail-panel:focus {
  outline: 2px solid var(--medium);
  outline-offset: 2px;
}

[data-browse-concept-id].selected {
  border-left-color: var(--dark);
  box-shadow: inset 0 0 0 1px rgba(0, 116, 143, 0.18);
  background: linear-gradient(180deg, #ffffff 0%, #f4fbfb 100%);
}

#browse-detail.empty {
  text-align: left;
}

.brand {
  text-decoration: none;
}

@media (max-width: 900px) {
  .browse-layout {
    grid-template-columns: 1fr;
  }

  .browse-list-panel {
    height: auto;
    overflow: visible;
  }

  #browse-list {
    overflow-y: visible;
    padding-right: 0;
  }

  #browse-pagination {
    position: static;
    padding: 12px 0 0;
    background: transparent;
    border-top: 0;
  }

  .topbar-inner {
    flex-wrap: wrap;
    gap: 12px;
  }

  .topnav {
    order: 3;
    width: 100%;
  }

  .topbar-right {
    margin-left: auto;
  }

  .searchbar-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .searchbar-select,
  .search-submit,
  .searchbox {
    width: 100%;
  }

  .searchbox {
    min-width: 0;
  }
}